[R] L-BFGS-B and parscale in optim()

Sebastian P. Luque spluque at gmail.com
Thu May 26 01:20:10 CEST 2011


Hi,

When using method L-BFGS-B along with a parscale argument, should the
lower and upper bounds provided be on the scaled or unscaled values?
Thanks.

Cheers,

-- 
Seb



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